proof_by_contradiction:
Sparring lovers, 1 to 6: Life underground (52)
proof_by_contradiction:
Sparring lovers (2/6)
proof_by_contradiction:
Sparring lovers (3/6)
proof_by_contradiction:
Sparring lovers (4/6)
proof_by_contradiction:
Sparring lovers (5/6)
proof_by_contradiction:
Sparring lovers (6/6)